Please note this is in Asian sizing, Asian size is smaller than western size e.g. UK, US, AU, please check the measurements carefully before making a purchase. Please allow 2-4cm error due to the manual measurement and different measurement methods. If you are not sure which size to buy, please provide height and weight, we will recommend a suitable size. 110: length 75cm (29.5 inches), chest 61cm (24.0 inches), waist 57cm (22.4 inches), fits weight 14-16kg; 120: length 80cm (31.4 inches), chest 64cm (25.2 inches), waist 60cm (23.6 inches), fits weight 16-20kg; 130: length 85cm (33.4 inches), chest 68cm (26.7 inches), waist 64cm (25.2 inches), fits weight 20-23kg; 160: length 100cm (39.3 inches), chest 80cm (31.4 inches), waist 76cm (29.9 inches), fits weight 33-40kg; Please allow slight c